Gaya APA

Simbolon, W. (2019). The effect of using picture to improve students vocabulary mastery of eighth grade students at SMP Negeri 27 Batam in academic year 2018/2019 : skripsi . Batam: Universitas Riau Kepulauan Batam.

Gaya MLA

Simbolon, Wanito. "The effect of using picture to improve students vocabulary mastery of eighth grade students at SMP Negeri 27 Batam in academic year 2018/2019 : skripsi". Batam: Universitas Riau Kepulauan Batam, 2019. Text.